TY  - BOOK
AU  - Helton,Joseph E.
TI  - Simplified estimating for builders and engineers
SN  - 0138129673
U1  - TH/435 
PY  - 1992///
CY  - Englewood Cliffs, New Jersey
PB  - Prentice Hall
KW  - Building -- Estimates.
N1  - Notes Registration no: 27990 (1al) Notes Registration no: 27990 (1al) Includes index. Serials holdings B$$ 97.50
ER  -